<%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %>
<html>
<body>
<h2>Hello World!</h2>


<a href="book/bookId?id=1">根据书本id查询书的信息</a><br/>



<form action="book/addBook" method="post">
    name:<input type="text" name="name"/>
    press:<input type="text" name="press"/>
    author:<input type="text" name="author"/>
    <input type="submit"  value="添加图书"/>
</form>


<a href="book/checkException?divnum=10">不会出错</a><br/>


<a href="book/checkException?divnum=0">会出错</a><br/>

</body>
</html>
